Patents
Sitemap › F17 - Storing or distributing gases or liquids › F17D - Pipe-line systems; Pipe-lines › F17D 3 - Arrangements for supervising or controlling working operations
Patents for F17D 3 - Arrangements for supervising or controlling working operations (4,120)
05/1988
05/10/1988CA1236437A1 Systems for feeding liquid substances
05/05/1988WO1988003246A1 Barrelling installation
03/1988
03/23/1988CN87104321A Displacement of free fluid accumulations in pipelines
02/1988
02/16/1988US4725287 Mixing with ethoxylated alkyl phenols
01/1988
01/12/1988US4718245 Refrigeration system with bypass valves
01/07/1988EP0250536A1 Method and valve for controlling liquid draining.
12/1987
12/29/1987US4715393 Fluid dispersing checkvalve
12/23/1987EP0250162A2 Displacement of free fluid accumulations in pipelines
12/03/1987DE3617865A1 Device for connecting a fluid container
09/1987
09/30/1987EP0238535A1 Slug-catcher that can be pigged.
09/22/1987US4694892 Apparatus for retrieving spherically shaped cleansing bodies
09/01/1987US4689969 Refrigerated gas separation apparatus
08/1987
08/25/1987US4688630 Apparatus for retrieving spherically shaped cleansing bodies
08/25/1987US4688589 To inject shear sensitive drag reducing additive
08/13/1987WO1987004586A1 Device for injecting a fluid into a network
07/1987
07/21/1987US4680938 Air drying system for pneumatic circuits
06/1987
06/18/1987WO1987003664A1 Method and valve for controlling liquid draining
06/09/1987US4671314 Flow line sampler valve apparatus
05/1987
05/05/1987CA1221448A1 Pipeline pig tracking
04/1987
04/28/1987US4660588 Method for temporarily storing fluids
04/01/1987EP0216382A2 Gas supply system for variable demand application
03/1987
03/26/1987WO1987001759A1 Slug-catcher that can be pigged
02/1987
02/05/1987DE3527519A1 Method and arrangement for delivering gases at a slight vacuum through gas-line systems at risk of settlement, in particular in landfill sites
01/1987
01/08/1987DE3524219A1 Connecting nipple
12/1986
12/09/1986US4627243 Gas supply system for variable demand application
11/1986
11/20/1986WO1986006823A1 Lock for retaining spherical cleaning bodies
11/20/1986WO1986006822A1 Lock for retaining spherical cleaning bodies
11/12/1986EP0200820A1 Sluice for collecting spherical cleaning bodies
11/06/1986EP0155299A4 Process gas controller.
11/05/1986EP0199856A1 Sluice for collecting spherical cleaning bodies
09/1986
09/24/1986CN85204477U Vacuum tracsfer automatic meterage device
09/23/1986CA1211681A1 Method and apparatus for splitting two-phase flow at pipe tees
09/12/1986WO1986005291A1 Device for regulating the flow rate of a gas, and application of such device to the gas supply of a reactor
08/1986
08/20/1986EP0191485A1 Homogenizing device for a fluid transported in a conduit
05/1986
05/27/1986US4590799 Pipeline pig tracking
05/20/1986US4589434 Method and apparatus to prevent hydrate formation in full wellstream pipelines
04/1986
04/29/1986US4584838 Apparatus for providing relatively dry, oil free compressed instrument air
04/08/1986US4580452 Device for taking a liquid from a conduit which contains the liquid or for injecting a liquid into the conduit
03/1986
03/11/1986US4574827 Method and apparatus for splitting two-phase flow at pipe tees
03/04/1986US4573313 Method and apparatus for feeding a dosed mixture of splicing air and liquid into the splicing chamber of a compressed-air yarn splicing device
02/1986
02/04/1986US4569012 Method and system for controlling fluid transportation in a pipe network
01/1986
01/07/1986US4562739 Production monitoring system
12/1985
12/27/1985EP0165330A1 Production monitoring system
12/24/1985US4559963 System for feeding liquid substances
11/1985
11/26/1985US4554942 Process gas controller
10/1985
10/01/1985CA1194276A1 Gas transporting system
09/1985
09/25/1985EP0155299A1 Process gas controller.
09/04/1985EP0153530A2 Method and apparatus for dosing a flowing liquid stream
09/03/1985US4538359 Method of drying long-distance pipelines in sections
07/1985
07/16/1985US4529414 Method and apparatus for separation and separate flow of gas and liquid in a flow system
06/1985
06/11/1985US4522222 Non-plugging injection valve
06/11/1985US4522218 For diverting a stream of a flowing fluid
05/1985
05/22/1985EP0141940A1 Device to collect samples of liquid flowing in a conduit or to inject a liquid into this conduit
05/14/1985US4516986 Two-phase flow splitter
03/1985
03/14/1985WO1985001095A1 Process gas controller
01/1985
01/29/1985US4495799 Determining the level of contaminants in a hydraulic system
01/09/1985EP0130372A1 Method for the sectional drying of pipelines
11/1984
11/06/1984US4481503 Production monitoring system
10/1984
10/24/1984EP0122704A2 Pipeline pig tracking
10/23/1984US4478814 Reversible exothermic reaction
09/1984
09/04/1984US4468866 Method of and apparatus for vacuum drying of systems
04/1984
04/18/1984EP0105827A2 Gas transporting system
04/18/1984EP0105593A1 Dispersing liquid slugs in gas pipelines
02/1984
02/21/1984US4432674 Method and device for analyzing the solid matter content in a hydraulic conveying stream of a carrier liquid with solid particles
09/1983
09/20/1983US4404984 Gas-liquid mixing metering system
08/1983
08/30/1983CA1153042A1 Method and apparatus providing a storage and injection system for solid friction reducing polymers in pipelines
06/1983
06/15/1983EP0081340A1 Determining the level of contaminants in a hydraulic system
06/08/1983EP0080873A1 A method of and apparatus for vacuum drying of systems
02/1983
02/15/1983US4373698 Shutoff valve actuator remote control system
02/15/1983CA1141257A1 Method and system for controlling the fluid level in a drain tank
11/1982
11/30/1982CA1136417A1 Hydrogen injection into gas pipelines and other pressurized gas containers
10/1982
10/19/1982US4354516 Automatic control valve
08/1982
08/24/1982US4345613 Pressure-operated portable siphon apparatus for removing concentrations of liquid from a gas pipeline
06/1982
06/22/1982US4335964 Injection system for solid friction reducing polymers
04/1982
04/27/1982US4326560 Apparatus for injecting fluids into aggregates
04/20/1982US4325397 Method to reduce pressure drop in polyamide process piping
03/1982
03/02/1982US4317379 Process and apparatus for the continuous withdrawal of specimens from a current of a crude gas for purposes of gas analysis
11/1981
11/03/1981US4298019 Method and system for controlling the fluid level in a drain tank
10/1981
10/13/1981US4294274 Hydrogen injection into gas pipelines and other pressurized containers
09/1981
09/22/1981US4290538 Fuel-dispensing system with self-checking means
08/1981
08/11/1981US4282894 Pressure-operated portable siphon apparatus for removing concentrations of liquid from a gas pipeline
07/1981
07/28/1981CA1105732A1 Method and apparatus for tube leakage testing
07/21/1981US4279267 Fluid flow proportioning device
07/14/1981CA1105127A1 Ultrasonic testing
07/08/1981EP0031711A1 Method and system for controlling the fluid level in a drain tank
04/1981
04/28/1981US4263926 Injection system for solid friction reducing polymers
04/14/1981US4261196 Method and apparatus for determining solids conveyed in a slurry moving in a pipe
03/1981
03/24/1981US4257439 Apparatus for producing calibration gases suitable for analytical instrumentation
03/04/1981EP0024285A1 Sight glass mounting
01/1981
01/27/1981CA1094608A1 Method and appartus for handling fluids in a two- phase flow pipeline system
01/14/1981EP0022276A1 Installation for conveying milk over long distances through a piping system
11/1980
11/11/1980US4232703 Safety close-off valve arrangement for pipe conduit systems and installations
11/11/1980US4232546 Method and apparatus for tube leakage testing
10/1980
10/28/1980CA1088671A1 Liquid dispenser
07/1980
07/15/1980US4212845 Analytical apparatus
06/1980
06/17/1980US4207911 Operating station for a duct system through which a plug body is pumped
06/11/1980EP0011907A1 Method of injecting particulate polymer into a hydrocarbon in a pipeline
05/1980
05/13/1980US4202216 Ultrasonic testing
04/1980
04/16/1980EP0009841A1 A duct system containing a movable plug body and a method for determining possible leakage in a duct system
04/16/1980EP0009628A1 Control device for pipes made of synthetic material
1 ... 31 32 33 34 35 36 37 38 39 40 41 42